Question about Months

Philippines
January 3, 2011 4:00am CST
Why are there months w/ day 31 and why are there months w/o day 31? why is it??
2 responses
@asliah (11149)
• Philippines
8 Jan 11
hi, hmmm...really hard to answer that question, even me asking to myself why, maybe only the astronomy can answer that.
@yspmyl (3438)
• Malaysia
3 Jan 11
This is a very hard to answer question, I think it is most probably relatd to how the Moon completes one orbit around Earth. And there are phases that caused the different of 31 and 30 days in particular month. I hope this explanation is correct, or else someone please correct me.